.page-404{
  padding: 100px 0;
  text-align: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.page-404 .banner {
  color: #fff;
  font-size: 200px;
  font-weight: lighter;
  line-height: 1;
}
.page-404 h3{
  padding: 20px 0;
  color: #dadada;
  font-size: 24px;
  margin-bottom: 10px;
}